CN112049035A - Light high-strength sound barrier cement board for expressway - Google Patents
Light high-strength sound barrier cement board for expressway Download PDFInfo
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- CN112049035A CN112049035A CN202010961818.5A CN202010961818A CN112049035A CN 112049035 A CN112049035 A CN 112049035A CN 202010961818 A CN202010961818 A CN 202010961818A CN 112049035 A CN112049035 A CN 112049035A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a light high-strength sound barrier cement board for an expressway, belonging to the technical field of expressway sound barriers, and the light high-strength sound barrier cement board for the expressway comprises: a front mounting plate; the back mounting plate and the front mounting plate form a sound-absorbing cavity; the light high-strength cement board is arranged in the sound-absorbing cavity; a plurality of amortization casings all set up on the mounting panel of openly in order to form the amortization casing array, each amortization casing all has a amortization cavity and the amortization entry that is linked together with the amortization cavity, and, the amortization entry of each amortization casing all deviates from the front mounting panel, forms amortization dissipation space between the surface of a plurality of amortization casings and the front mounting panel. The light high-strength sound barrier cement board for the expressway disclosed by the invention realizes effective energy consumption weakening and sound attenuation of sound waves, and sound absorption, so that the sound wave energy conducted to the sound barrier can be greatly reduced, and the sound absorption and sound attenuation effects are effectively improved.
Description
Technical Field
The invention relates to the technical field of sound barriers of expressways, in particular to a light high-strength sound barrier cement board for expressways.
Background
The sound barrier is a wall structure provided beside railways and highways to reduce the influence of driving noise on nearby residents. The sound barrier is mainly used for sound insulation and noise reduction of highways, expressways, overhead composite roads and other noise sources. The sound insulation method is divided into a reflection type sound barrier for pure sound insulation and a composite type sound barrier for combining sound absorption and sound insulation, and the latter is a more effective sound insulation method. The sound barrier is interposed between the source and the receiver and provides a significant additional attenuation of the sound wave propagation, thereby attenuating the noise contribution in the area of the receiver.
In the prior art, the sound barrier is formed by singly or compositely overlapping plate bodies made of sound-absorbing materials such as aluminum fiber cotton, sound-absorbing rock wool, sound-absorbing aluminum plates, cement and the like, but the sound-absorbing and sound-attenuating effects are poor, sound waves are mostly reflected to a road sound source, the sound waves are easily received by people in an automobile and influence the driving of the automobile, and the reflected sound waves are easily diffracted to form the sound barrier or are reflected for multiple times among the sound barriers on two sides of the road and are diffracted to form the sound barrier to be transmitted to the outside. In addition, due to the fact that the highway is large in traffic flow and high in speed, generated noise is large and strong in persistence, and due to the fact that the distance between a sound source and a receiver is short, sound waves are diffracted, transmitted and reflected to the outside of the sound barrier to easily have large influence on the outside when the sound barrier absorbs sound and is poor in sound attenuation effect when the highway is close to a village or a residential place.
Disclosure of Invention
The embodiment of the application provides a highway is with light weight, high strength sound barrier cement board, has solved among the prior art sound barrier and has inhaled the sound silencing effect relatively poor and lead to the sound wave easily to diffract, transmit, reflect to the sound barrier outside and to the technical problem of the great influence of external production, has realized carrying out effective power consumption to the sound wave and has weakened and the amortization to inhale the sound simultaneously, can make the sound wave energy of conduction to the sound barrier cut down in a large number, effectively improve and inhale the sound silencing effect.
The embodiment of the application provides a light weight, high strength and sound barrier cement board for highway, light weight, high strength and sound barrier cement board for highway includes: a front mounting plate; the sound-absorbing cavity is formed between the back mounting plate and the front mounting plate; the light high-strength cement board is arranged in the sound-absorbing cavity and is respectively connected with the front mounting plate and the back mounting plate; and a plurality of amortization casing, it is a plurality of the amortization casing all set up in order to form the amortization casing array on the mounting panel of openly, each the amortization casing all have a amortization cavity and with the amortization entry that the amortization cavity is linked together, just, each the amortization entry of amortization casing all deviates from the mounting panel of openly, it is a plurality of the surface of amortization casing and form amortization dissipation space between the mounting panel of openly.
In some embodiments, the lightweight, high-strength sound barrier cement panel for highways further comprises: inhale the sound material layer, inhale the sound material layer set up in inhale in the sound cavity, just, inhale the sound material layer and be located light weight, high strength cement board with between the back mounting panel.
In some embodiments, the outer surface of the sound dampening housing is provided with a layer of sound absorbing paint.
In some embodiments, the sound-deadening cavity of each sound-deadening shell is a spherical sound-deadening cavity, so as to enhance the sound-deadening effect of the sound-deadening cavity.
In some embodiments, the sound attenuating inlet has a smaller caliber than the diameter of the sound attenuating cavity.
In some embodiments, the outer surface of each of the silencing shells is spherical, a distance is formed between two adjacent silencing shells, and a plurality of silencing dissipation spaces formed between the silencing shells are gradually reduced and then gradually increased from one side of the silencing shell departing from the front mounting plate to the direction close to one side of the front mounting plate.
In some embodiments, each of the sound-deadening housings has a connecting body, each of the sound-deadening housings is connected to the front mounting plate through the connecting body, and a distance is formed between each of the sound-deadening housings and the front mounting plate.
In some embodiments, the inner wall of the sound-deadening cavity is provided with a layer of sound-deadening material.
In some embodiments, a synergistic clamping plate layer is disposed on a surface of the sound-deadening material layer away from the sound-deadening shell, and a plurality of synergistic through holes penetrating through the synergistic clamping plate layer are formed in the synergistic clamping plate layer.
In some embodiments, the lightweight, high-strength sound barrier cement panel for highways further comprises: the silencing cavity of each silencing shell is filled with the silencing liquid; and the silencing energy-conversion floating body can float on the silencing liquid in a free movement manner.
In some embodiments, the noise reduction and energy conversion floating body comprises: the floating raft can float on the noise reduction liquid in a free movement manner; and the sound absorption sail body is arranged on the floating raft body.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the embodiment of the application provides a light weight, high strength and sound barrier cement board for expressway, form through setting up front mounting panel and back mounting panel and inhale the sound cavity, and set up the light weight, high strength cement board that is connected with front mounting panel and back mounting panel in inhaling the sound cavity, form the rear portion and inhale the sound barrier, it forms amortization casing array to set up a plurality of amortization casings simultaneously on the front mounting panel, all have a amortization cavity and the amortization entry that is linked together with the amortization cavity because of each amortization casing, and the amortization entry all deviates from the front mounting panel, form anterior amortization barrier, and form amortization dissipation space between the surface of a plurality. When the noise generated on the highway is conducted to the light high-strength sound barrier cement board for the highway, part of sound waves enter the silencing cavity through each silencing inlet, part of the sound waves enter the silencing dissipation space, the sound waves entering the silencing cavity are ceaselessly reflected on the inner wall of the silencing cavity to consume sound wave energy, and finally are silenced, only a small part of the sound waves with weak energy are reflected for multiple times by the silencing cavity and return to the highway and can be quickly dissipated, the sound waves entering the silencing dissipation space are ceaselessly reflected between the outer walls of a plurality of silencing shells or between the outer wall of the silencing shell and the front mounting plate, the silencing dissipation space is communicated with the front mounting plate surface where the silencing shell array is positioned because the spaces between the silencing shells are communicated, and the silencing dissipation space is tortuous and wide, so the sound waves can be ceaselessly reflected in multiple directions in the silencing dissipation space, and the sound wave energy, thereby effectively silencing sound. In the process of reflecting the sound waves in the silencing and dissipating space, due to the conduction of the front mounting plate, the light high-strength cement board of the rear sound-absorbing barrier can absorb sound at the same time, so that multistage effective energy consumption and sound absorption are performed on the noise, the sound-absorbing and silencing effects are greatly improved, the noise transmitted to the light high-strength sound-absorbing barrier cement board for the highway is mainly eliminated on the light high-strength sound-absorbing barrier cement board for the highway and is not reflected back to the highway, the influence on personnel in an automobile and the influence on external residents due to diffraction of the sound barrier after the sound waves are reflected are prevented, the high-strength sound-absorbing barrier cement board is particularly suitable for highway sections of villages or residents close to the highway, and the technical problem that the sound waves are easy to diffract, project and reflect to the outside of the sound barrier to greatly influence the outside due to poor.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic front view of a lightweight high-strength sound barrier cement board for an expressway according to an embodiment of the present disclosure;
FIG. 2 is a schematic side view of a lightweight high-strength sound barrier cement board for a highway according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional side view of a lightweight high-strength sound barrier cement board for an expressway according to an embodiment of the present invention;
FIG. 4 is an enlarged partial schematic view of a lower portion of the lightweight high-strength sound barrier cement slab for a highway in FIG. 3 according to an exemplary embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of a sound-damping housing according to an embodiment of the present disclosure;
fig. 6 is a schematic structural view illustrating the connection between the anti-collision cross-bar body and the left and right side mounting plates according to the embodiment of the present application;
FIG. 7 is a schematic view of an installation structure of a lightweight high-strength sound barrier cement board for an expressway according to an embodiment of the present invention;
FIG. 8 is a schematic top view of a connecting frame according to an embodiment of the present disclosure;
fig. 9 is a schematic top view of a connection frame according to an embodiment of the present disclosure.
In the figure:
100. the light high-strength sound barrier cement board is used for the expressway; 10. a front mounting plate; 20. a back mounting plate; 30. a lightweight high-strength cement board; 40. a sound-deadening housing; 401. a sound attenuation cavity; 402. a sound deadening inlet; 140. a sound deadening and dissipating space; 50. a sound absorbing material layer; 44. a sound absorbing coating layer; 41. a linker; 42. a sound damping material layer; 43. a synergistic laminated layer; 430. a synergistic through hole; 60. a sound-attenuating liquid; 70. a noise-reduction energy-conversion floating body; 71. a floating raft body; 72. a sound absorbing sail body; 80. a rainwater receiving tank; 90. a water conduit; 91. a main duct; 92. a branch conduit; 101. a water storage tank; 102. a water delivery pipe; 103. a water pump; 104. a sensor; 105. a microcontroller; 106. a left side mounting plate; 107. a right side mounting plate; 108. an anti-collision transverse strip body; 109. supporting piles; 110. a connecting frame; 111. fixing the bottom plate; 112. a first fixed vertical plate; 113. a second fixed vertical plate; 114. and a third fixed vertical plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless stated to the contrary, use of the directional terms "upper and lower" are generally directed to the orientation shown in the drawings, or to the vertical, or gravitational direction; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; "inner and outer" refer to the inner and outer relative to the profile of the respective member itself, but the above directional terms are not intended to limit the present invention.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The sound barrier formed by singly or compositely overlapping plate bodies made of sound absorbing materials such as aluminum fiber cotton, sound absorbing rock wool, sound absorbing aluminum plates, cement and the like has poor sound absorbing and silencing effects, mostly reflects sound waves back to a road sound source, is not only easy to be received by people in an automobile and influences the running of the automobile, but also easily diffracts the sound barrier or reflects the sound waves for multiple times between the sound barriers at two sides of the road and diffracts the sound barrier to be transmitted to the outside. In addition, due to the fact that the highway is large in traffic flow and high in speed, generated noise is large and strong in persistence, and due to the fact that the distance between a sound source and a receiver is short, sound waves are diffracted, projected and reflected to the outside of the sound barrier to easily have large influence on the outside when the sound barrier absorbs sound and is poor in sound attenuation effect when the highway is close to a village or a residential place.
In order to solve the technical problem that sound waves are easy to diffract, project and reflect to the outside of a sound barrier to generate large influence on the outside due to the fact that the sound absorption and silencing effects of the sound barrier in the prior art are poor, the embodiment of the application provides a light high-strength sound barrier cement plate for an expressway.
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 9, the present embodiment provides a lightweight, high-strength sound barrier cement panel 100 for an expressway, and the lightweight, high-strength sound barrier cement panel 100 for an expressway includes a front mounting plate 10, a rear mounting plate 20, a lightweight, high-strength cement panel 30, and a plurality of sound-deadening shells 40.
The front mounting plate 10 and the rear mounting plate 20 may be metal plates, such as aluminum plates, but are not limited thereto, and may also be non-metal plates. The front mounting plate 10 provides support and protection for the sound-absorbing housing 40 and the lightweight high-strength cement board 30, and the back mounting plate 20 provides support and protection for the lightweight high-strength cement board 30.
A sound-absorbing cavity is formed between the back mounting plate 20 and the front mounting plate 10, the lightweight high-strength cement board 30 is arranged in the sound-absorbing cavity, and the lightweight high-strength cement board 30 is respectively connected with the front mounting plate 10 and the back mounting plate 20. The lightweight high-strength cement board 30 may be coupled to the front mounting plate 10 and the rear mounting plate 20 by bolts or screws. The noise can be transmitted to the lightweight high-strength cement panel 30 through the front mounting plate 10 and absorbed by the lightweight high-strength cement panel 30. The lightweight high-strength cement panel 30 may be made of cement, stone powder, fiber, additives, and sound-absorbing materials. The lightweight high-strength cement board 30 may have a hollow cavity formed therein to improve a sound absorption effect.
A plurality of amortization casings 40 all set up on front mounting panel 10 in order to form the amortization casing array, and each amortization casing 40 all has a amortization cavity 401 and the amortization entry 402 that is linked together with amortization cavity 401, and, the amortization entry 402 of each amortization casing 40 all deviates from front mounting panel 10, forms the amortization dissipation space 140 that communicates amortization casing 40 array place front mounting panel 10 surface between the surface of a plurality of amortization casings 40 and front mounting panel 10. Each sound-deadening housing 40 may be an independent housing, and a distance is formed between two adjacent sound-deadening housings 40, so that spaces formed between the plurality of sound-deadening housings are communicated with each other to form a sound-deadening and dissipating space 140. When sound is transmitted to the lightweight high-strength sound barrier cement board for the high-speed road, a part of sound enters the sound deadening cavity 401 from the sound deadening inlet 402 and is continuously reflected to consume sound wave energy for sound deadening, the other part of sound enters the sound deadening and dissipating space 140 and is continuously reflected to consume sound wave energy for sound deadening, and meanwhile, the lightweight high-strength cement board 30 absorbs sound.
As can be seen from the above, the light high-strength sound barrier cement board for expressway provided by the embodiment of the present application forms a sound-absorbing cavity by arranging the front mounting plate 10 and the back mounting plate 20, and the light high-strength cement board 30 connected with the front mounting plate 10 and the back mounting plate 20 is arranged in the sound-absorbing cavity to form a rear sound-absorbing barrier, and meanwhile, the front mounting plate 10 is provided with a plurality of sound-absorbing shells 40 to form a sound-absorbing shell array, which can be spread over the surface of the front mounting plate 10, because each sound-absorbing shell 40 has a sound-absorbing cavity and a sound-absorbing inlet 402 communicated with the sound-absorbing cavity 401, and the sound-absorbing inlet 402 deviates from the front mounting plate 10 to form a front sound-absorbing barrier, and a sound-absorbing dissipation space 140 is formed between the outer surface. When noise generated by automobile running on the highway is conducted to the light high-strength sound barrier cement board for the highway, part of sound waves enter the silencing cavity 401 through each silencing inlet 402, part of sound waves enter the silencing dissipation space 140, the sound waves entering the silencing cavity are ceaselessly reflected on the inner wall of the silencing cavity 401 to consume sound wave energy, finally silencing is carried out, only a small part of sound waves which are reflected for multiple times through the silencing cavity 401 and have weak energy are reflected out of the silencing inlet 402 and return to the highway, but the sound waves which enter the silencing dissipation space 140 are rapidly dissipated when being conducted to other objects or reflected back to the silencing shell 40 again due to the weak energy, the sound waves entering the silencing dissipation space 140 are ceaselessly reflected between the outer walls of the silencing shells 40 or between the outer wall of the silencing shell 40 and the front mounting plate 10, and the silencing dissipation space 140 is communicated with the surface of the front mounting plate 10 where the silencing shell array is located, the sound deadening and dissipating space is zigzag and wide, so that sound waves can be reflected ceaselessly in multiple directions in the sound deadening and dissipating space 140, the sound energy is consumed more thoroughly, and the sound is effectively silenced. And in the process of reflecting the sound waves in the silencing and dissipating space 140, the light high-strength cement board of the rear sound-absorbing barrier can absorb sound simultaneously due to the conduction of the front mounting plate, therefore, the noise is effectively consumed and absorbed in multiple stages by the silencing cavity 401, the silencing and dissipating space 140 and the light high-strength cement board 30, the sound absorption and silencing effects are greatly improved, the noise conducted to the light high-strength sound barrier cement board for the highway is mainly eliminated on the light high-strength sound barrier cement board for the highway instead of being reflected back to the highway, the influence of the reflected sound wave on personnel in an automobile and the influence of a diffracted sound barrier on external residents are prevented, the noise absorbing and silencing device is particularly suitable for highway sections of villages or residents close to the highway, and the technical problem that the sound wave is easy to diffract, project and reflect to the outside of the sound barrier to greatly influence the outside due to the poor sound absorption and silencing effects of the sound barrier in the prior art is effectively solved.
In this embodiment, the lightweight high-strength sound barrier cement board for an expressway further includes a sound-absorbing material layer 50, the sound-absorbing material layer 50 is disposed in the sound-absorbing cavity, and the sound-absorbing material layer 50 is located between the lightweight high-strength cement board 30 and the back surface mounting plate 20. The sound-absorbing material layer 50 may be at least one of polyester fiber sound-absorbing cotton, sound-absorbing glass wool, aluminum fiber wool, and sound-absorbing rock wool, but is not limited thereto. The sound absorption material layer 50 can be attached to the surface of the lightweight high-strength cement board 30. The back mounting plate 20 and the front mounting plate 10 can clamp the lightweight high-strength cement board 30 and the sound-absorbing material layer 50 in the sound-absorbing cavity by fasteners. The sound-absorbing material layer 50 is provided to further enhance the sound-absorbing effect of the rear sound-absorbing barrier and prevent the transmission of sound waves.
In this embodiment, the outer surface or wall of the sound-deadening housing 40 is provided with a sound-absorbing paint layer 44. The sound absorption coating layer can be made of biological fiber, mineral fiber and the like as main raw materials, and is combined with other fire-proof agents, moisture-proof agents, enzyme-proof agents and the like, and the sound absorption coating layer is sprayed together with the adhesive through a professional machine and attached to the outer surface or the outer wall of the sound attenuation shell 40 to form a cotton-shaped coating material with the thickness of 2-10 mm and porous appearance. By adopting the arrangement, in the process of transmitting the sound waves to the silencing and dissipating space 140 for reflection, when the sound waves are reflected to the sound absorption coating layer once, part of the sound waves can be eliminated by the sound absorption coating layer, and the silencing effect is further improved.
In this embodiment, the muffling cavity 401 of each muffling shell 40 is a spherical muffling cavity 401, i.e., the inner wall of the muffling cavity 401 is spherical, so that the sound waves can be reflected in the muffling cavity 401 for a longer time to dissipate the energy of the sound waves, thereby preventing the sound waves from being reflected out of the muffling cavity, and further enhancing the muffling effect of the muffling cavity 401.
Further, the aperture of the muffling inlet 402 is smaller than the diameter of the muffling cavity 401, so that the inlet is small and the internal muffling cavity is large, the reflection time of the sound wave entering the muffling cavity 401 can be further prolonged, the consumption of the sound wave energy is enhanced, the sound wave energy is prevented from being reflected out of the muffling cavity, and even if the sound wave reflected out of the muffling cavity 401 is very weak, the energy is difficult to be diffracted to the outside of the sound barrier to influence the outside. Preferably, the caliber of the sound attenuation inlet 402 is between 1/3 and 2/3 of the diameter of the sound attenuation cavity 401, and the inventor has found through practice that when the caliber of the sound attenuation inlet 402 is within this range, the sound attenuation effect is optimal, which is beneficial to the transmission of sound waves, and can prevent the sound waves from reflecting out of the sound attenuation cavity too fast to prolong the reflection time and enhance the energy dissipation, thereby enhancing the sound attenuation effect.
In this embodiment, the surface of each amortization casing 40 all is spherical, and the surface or the outer wall of amortization casing 40 are the sphere promptly, and amortization casing 40 is spherical casing, is formed with the distance between two adjacent amortization casings 40, and the amortization dissipation space 140 that forms between a plurality of amortization casings 40 is reduced gradually and then becomes big gradually by one side that amortization casing 40 deviates from front mounting panel 10 towards the direction of being close to one side of front mounting panel 10. With the above arrangement, since the outer surfaces of the silencing shells 40 are spherical, the space formed between the adjacent silencing shells 40 is a necking shape with two large ends and a small middle, the receiving surface is large and the inner side reflection space is large, so that when the sound waves transmitted to the surface of the silencing shell 40 are reflected by the spherical surface and reflected to the inner side of the silencing dissipation space 140 close to the front mounting plate 10, the sound waves are continuously reflected in the silencing dissipation space 140 to consume energy. Preferably, the minimum distance between two adjacent sound-deadening shells 40 is 1cm-5cm, and the inventor finds, through experiments, that when the minimum distance between two adjacent sound-deadening shells 40 is within this range, the sound-deadening effect of sound-deadening and dissipating space 140 is optimal, that is, it is favorable for smooth introduction of sound waves into the inside of sound-deadening and dissipating space 140 to make sound waves continuously reflect energy in sound-deadening and dissipating space 140, and can prevent sound waves entering sound-deadening and dissipating space 140 from reflecting sound waves out of sound-deadening and dissipating space 140 too fast, and prolong the reflection time of sound waves in sound-deadening and dissipating space 140 to enhance the dissipation of sound wave energy, so that even the sound waves reflected out of sound-deadening and dissipating space 140.
In this embodiment, each amortization casing 40 all has a connector 41, and each amortization casing 40 all is connected with front mounting panel 10 through connector 41, and connector 41 can be fixed in the outer wall of amortization casing 40, can set up the external screw thread on the connector 41, and set up a plurality of screw hole on the front mounting panel for connector 41 and screw hole screw-thread fit and be fixed in on front mounting panel 10 with amortization casing 40, the dismouting of the amortization casing 40 of being convenient for. Each amortization casing 40 all is formed with the distance between the mounting panel 10 with the front, can enlarge amortization dissipation space 140's volume, increases the sound wave reflection route for the sound wave can constantly reflect between the surface that amortization casing 40 is just to front mounting panel 10 and the front mounting panel after getting into amortization dissipation space 140, thereby the reinforcing is to the dissipation effect of sound wave energy, thereby reinforcing noise cancelling effect.
In this embodiment, the inner wall of the silencing cavity 401 is provided with a silencing material layer 42, and the silencing material layer 42 can be at least one of polyester fiber sound-absorbing cotton, sound-absorbing glass cotton, aluminum fiber cotton and sound-absorbing rock wool.
Preferably, a synergistic sandwich plate layer 43 is disposed on a surface of the sound-deadening material layer 42 away from the sound-deadening shell 40, a plurality of synergistic through holes 430 penetrating through the synergistic sandwich plate layer 43 are disposed on the synergistic sandwich plate layer 43, and the sound-deadening cavity 401 can be connected to the sound-deadening material layer 42 through the synergistic through holes 430. The synergistic laminated layer 43 may be a metal plate or a non-metal plate, and the synergistic laminated layer 43 is spherical to ensure that the silencing cavity 401 is spherical. The synergistic laminated board layer 43 not only facilitates clamping the sound-absorbing material layer 42 between the inner wall of the sound-absorbing cavity 401 and the synergistic laminated board layer 43, but also enables sound waves to be continuously reflected in the synergistic through hole and absorbed by the sound-absorbing material layer 42 through the synergistic through hole 430 formed in the synergistic laminated board layer, thereby further enhancing the sound-absorbing effect.
In this embodiment, the lightweight high-strength sound barrier cement board for the expressway further includes a sound-deadening liquid 60 and a sound-deadening energy-conversion floating body 70.
The sound-deadening cavity 401 of each sound-deadening shell 40 contains sound-deadening liquid 60, and the sound-deadening liquid 60 may be water, but is not limited thereto.
The sound-deadening energy-converting floating body 70 floats on the sound-deadening liquid 60 in a freely movable manner, and the sound-deadening energy-converting floating body 70 is configured to receive the sound wave energy and convert it into the kinetic energy of the sound-deadening energy-converting floating body 70.
With the above arrangement, when sound wave airflow and sound wave caused by driving of a large truck or a large truck enter the silencing cavity 401 from the silencing inlet and the sound wave is reflected on the inner wall of the silencing cavity 401, the sound wave airflow and the sound wave are directly transmitted to the silencing energy-conversion floating body 70, so that the silencing energy-conversion floating body 70 vibrates or slightly moves on the silencing liquid 60, the sound wave energy is converted into kinetic energy, and partial noise is eliminated. And the sound waves are transmitted to the sound-deadening liquid 60 in the process of being reflected by the inner wall of the sound-deadening cavity 401, and part of the sound waves can be eliminated by the sound-deadening liquid 60. The sound deadening effect of the sound-deadening housing 40 can be effectively improved.
In this embodiment, the noise reduction and energy conversion floating body 70 includes a floating raft body 71 and a sound absorption sail body 72.
The floating rafts 71 can float on the sound-deadening liquid 60 in a freely movable manner, and the floating rafts 71 can be foam boards or polystyrene foam boards, but are not limited thereto, and can be made of any material capable of floating on the sound-deadening liquid 60.
The sound absorbing sail body 72 is disposed on the floating raft body 71, and the sound absorbing sail body 72 is located on one side of the floating raft body 71 away from the silencing liquid 60 to receive sound waves. The sound absorbing sail body 72 can be made of sound absorbing materials such as polyester fiber sound absorbing cotton, sound absorbing glass cotton, aluminum fiber cotton, sound absorbing rock wool and the like, so that the sound absorbing sail body 72 can absorb part of sound. Moreover, the noise reduction energy conversion floating body 70 can also play a role in interfering with the reflection of sound waves, and in the process of the sound waves reflecting inside the noise reduction cavity 401, when the sound waves are transmitted to the sound absorption sail body 72, the sound waves are partially absorbed and partially reflected back to the inner wall of the noise reduction cavity 401, so that the sound waves in the noise reduction cavity 401 are prevented from being reflected to the outside in the direction of part of the sound absorption inlet, and the sound waves can be reflected between the sound absorption sail body 72 and the inner wall of the noise reduction cavity to consume energy.
In this embodiment, the lightweight high-strength sound barrier cement board for an expressway further includes a rainwater receiving box 80 and a water guiding pipe 90.
The rainwater receiving box 80 is disposed on the top of the lightweight high-strength cement panel 30, and the rainwater receiving box 80 is configured to receive rainwater. The top of the rainwater receiving tank 80 may be open to facilitate receiving rainwater.
One end of the water guide pipe 90 is communicated with the rainwater receiving tank 80, the other end of the water guide pipe 90 is communicated with the silencing cavity 401 of the silencing case 40, and the water guide pipe 90 is configured to guide water in the rainwater receiving tank 80 to the silencing cavity 401.
With the above arrangement, when raining, the rainwater receiving box 80 can receive rainwater and then guide the rainwater to the silencing cavity 401 through the water guide pipe 90, so that the silencing liquid 60 is automatically supplemented, and natural rainwater is fully utilized. When the water in the silencing cavity 401 overflows to the silencing inlet, the water flows out along the silencing inlet without filling the silencing cavity.
In this embodiment, the water guiding duct 90 includes a main duct 91 and a plurality of branch ducts 92, and the plurality of branch ducts 92 are all communicated with the main duct 91. One end of the main duct 91 is communicated with the rainwater receiving tank 80, and the other end may be closed. The same main duct 91 is shared by a plurality of silencing shells 40 in the same row along the height direction of the front mounting plate 10, the number of branch ducts 92 is the same as the number of the plurality of silencing shells 40 in the same row along the height direction of the front mounting plate 10, a plurality of branch ducts 92 are respectively positioned beside each silencing shell 40, one end of each branch duct 92 is communicated with the main duct 91, the other end of each branch duct is communicated with the silencing cavity 401, rainwater is guided to each branch duct 92 by the main duct 91 and then is guided to each silencing cavity 401 through each branch duct 92. Main pipe 91 is installed in the cement board that excels in of light, each pipe 92 stretches out in the a plurality of screw hole of seting up on by the front mounting panel 10 respectively, the inside cavity and the intercommunication amortization cavity 401 of connector 41, when the amortization casing 40 passes through connector 41 to be connected in the screw hole of front mounting panel 10, pipe 92 is inside and extend to amortization cavity 401 through stretching into connector 41 promptly, so set up, be convenient for pipe 92 and amortization cavity intercommunication and extra occupation space not, it is very convenient to communicate, need not to put into in addition.
It should be noted that the sound-deadening cavity 401 of each sound-deadening shell 40 can be respectively communicated with the rainwater receiving tank 80 through a water guiding pipe 90.
In this embodiment, the connecting body 41 penetrates through the threaded hole on the front surface mounting plate 10 and then abuts against the lightweight high-strength cement board 30, so that part of the sound waves entering the inside of the connecting body 41 are transmitted to the lightweight high-strength cement board 30 and absorbed.
In this embodiment, the lightweight high-strength sound barrier cement board for the expressway further includes a water storage tank 101, a water pipe 102, a water pump 103, a sensor 104, and a microcontroller 105.
The water storage tank 101 is arranged at the lower part of the back mounting plate 20, one end of the water pipe 102 is communicated with the rainwater receiving tank 80, and the other end of the water pipe 102 is communicated with the water storage tank 101, so that rainwater is guided into the water storage tank 101 to be stored for later use. The water pump 103 is disposed on the water pipe 102, or the water pump 103 is disposed on another water supply pipe that communicates the water storage tank 101 and the rainwater receiving tank 80, and the water pump 103 is configured to pump water in the water storage tank 101 into the rainwater receiving tank 80. The sensor 104 is disposed in a sound-deadening cavity 401 of a sound-deadening housing 40 at the lowermost portion of the front mounting plate 10, the sensor 104 is configured to detect the presence or absence of the sound-deadening liquid 60 and to transmit a signal to the microcontroller 105, and the sensor 104 may be a capacitive sensor or a high-precision laser displacement sensor (ZLDS100), preferably a high-precision laser displacement sensor, which is mountable on the top of the sound-deadening cavity 401 and measures the level of the sound-deadening liquid by emitting laser light to the bottom portion inside the sound-deadening cavity 401. The microcontroller 105 is hermetically disposed at one side of the water storage tank 101, and the microcontroller 105 is electrically connected to the sensor 104 and the water pump 103 respectively. When the sensor 104 detects that there is no water in the silencing cavity 401 of the bottommost silencing shell 40 on the front mounting plate 10 where the sensor is located, it indicates that there is no water in the silencing cavity, the microcontroller 105 can control the water pump to work, and the water in the water storage tank 101 is pumped into the rainwater receiving tank 80, so that the water is supplemented into the silencing cavity 401 through the main conduit 91 and the plurality of branch conduits 92, and the automatic supplementation of silencing liquid is realized, so as to ensure that the silencing liquid in the silencing cavity 401 is sufficient and the silencing effect is ensured. The water storage tank 101 may also be in communication with a tap water pipe, which may be supplied with tap water.
In this embodiment, the lightweight high-strength sound barrier cement board for an expressway further includes a left side mounting plate 106, a right side mounting plate 107, and a plurality of anti-collision cross members 108.
The left side mounting plate 106 and the right side mounting plate 107 are respectively fixed on two sides of the lightweight high-strength cement board 30 and connected with the front mounting plate 10 and the back mounting plate 20, and the left side mounting plate 106, the right side mounting plate 107, the front mounting plate 10 and the back mounting plate 20 seal the lightweight high-strength cement board 30 and the sound-absorbing material layer inside.
The plurality of transverse anti-collision bodies 108 penetrate through the inner cavity of the light-weight high-strength cement board along the length direction perpendicular to the height direction of the light-weight high-strength cement board, and two ends of the plurality of transverse anti-collision bodies 108 are respectively connected with the left side mounting plate 106 and the right side mounting plate 107 to form a stable frame structure. The plurality of anti-collision transverse bar bodies 108 are located on the lower portion of the light high-strength cement board, a plurality of threaded holes are formed in the anti-collision transverse bar bodies 108, and the connecting bodies 41 of the noise reduction shell 40 located on one side of each anti-collision transverse bar body 108 penetrate through the threaded holes of the front mounting plate 10 and are in threaded connection with the threaded holes of the anti-collision transverse bar bodies 108, so that the noise reduction shell 40, the connecting bodies 41 and the anti-collision transverse bar bodies 108 are connected to form an anti-collision structure.
By adopting the arrangement, when the vehicle body collides with the light high-strength sound barrier cement board for the highway due to an accident on the highway, the vehicle body firstly contacts with the silencing shell 40 to stress the silencing shell, the silencing shell 40 is of a spherical shell structure, the silencing shell 40 is hollow inside, the buffering effect is good when the vehicle body is stressed, the vehicle body can be primarily buffered and intercepted by primary buffering, then the silencing shell 40 transmits the force to the anti-collision transverse strip 108 through the connecting body 41, the anti-collision transverse strip 108 performs secondary buffering and interception and transmits the force to the left side mounting plate 106 and the right side mounting plate 107, and the left side mounting plate 106 and the right side mounting plate 107 perform tertiary interception, so that the vehicle body is effectively buffered and intercepted, and the vehicle body is prevented from impacting an external ditch or a cliff due to the fact that the vehicle body breaks through the light high-strength sound barrier cement board 100 for the highway. In addition, the light high-strength sound barrier cement board for the highway not only has the functions of sound attenuation and absorption, but also has the function of protection, so that the installation of protective guards can be omitted on a road section provided with the light high-strength sound barrier cement board for the highway, and the light high-strength sound barrier cement board for the highway has two purposes and better buffer protection effect.
Preferably, the crash cross bar 108 may be a metal crash cross bar. The inside cavity of the anti-collision horizontal strip 108, for example, the cross section can be rectangular, and the anti-collision buffer effect can be effectively improved by performing deformation buffering when the force transmitted by the connecting body 41 is applied.
In this embodiment, the lightweight high-strength sound barrier cement board for a highway further includes support piles 109 and connecting frames 110.
The support piles 109 can be driven on both sides of the highway so that the lower ends of the support piles 109 extend 50cm to 150cm into the ground to ensure the stress strength, and the upper ends of the support piles 109 are flush with or slightly extend out of the highway surface.
The connecting frame 110 fixes the top end of the support pile 109, for example, by bolts. The connecting bracket 110 is configured to connect two adjacent lightweight high-strength sound barrier cement panels 100 for an expressway. A lightweight high-strength sound barrier cement board 100 for an expressway can be installed between two adjacent connecting frames 110. The connecting frame 110 includes a fixed base plate 111, a first fixed vertical plate 112, a second fixed vertical plate 113, and a third fixed vertical plate 114, the fixed base plate 111 can be fixed on the top end of the support pile 109, the first fixed vertical plate 112, the second fixed vertical plate 113, and the third fixed vertical plate 114 are all fixed on the fixed base plate 111, the third fixed vertical plate 114 is connected between the first fixed vertical plate 112 and the second fixed vertical plate 113, so that a first installation space and a second installation space are respectively formed between the third fixed vertical plate 114 and the first fixed vertical plate 112 and the second fixed vertical plate 113 on both sides of the third fixed vertical plate 114, when two adjacent high-speed highway light high-strength sound barrier cement boards 100 need to be installed, one side of one of the high-speed highway light high-strength sound barrier cement boards can be placed into the first installation space, one side of the other high-speed highway light high-strength sound barrier cement board can be placed into the second installation space, the two adjacent connecting frames 110 can limit a light high-strength sound barrier cement board for the highway between the two connecting frames 110, and the limiting installation can be carried out through the first arrangement space and the second arrangement space.
With the adoption of the arrangement, the light high-strength sound barrier cement board for the highway is convenient to disassemble and assemble, and when the vehicle body impacts the light high-strength sound barrier cement board for the highway, the anti-collision transverse strip body 108, the left side mounting plate 106 and the right side mounting plate 107 transmit force to the connecting frame 110, and the connecting frame 110 can transmit the force to the support piles 109, so that the anti-collision support stress effect is ensured, and the protection effect on the vehicle body is improved.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (10)
1. The light-weight high-strength sound barrier cement board for the expressway is characterized by comprising the following components in parts by weight:
a front mounting plate;
the sound-absorbing cavity is formed between the back mounting plate and the front mounting plate;
the light high-strength cement board is arranged in the sound-absorbing cavity and is respectively connected with the front mounting plate and the back mounting plate; and
a plurality of amortization casings, it is a plurality of the amortization casing all set up in order to form the amortization casing array on the mounting panel of openly, each the amortization casing all have a amortization cavity and with the amortization entry that the amortization cavity is linked together, just, each the amortization entry of amortization casing all deviates from the mounting panel of openly, it is a plurality of the surface of amortization casing with form the intercommunication between the mounting panel of openly the amortization casing array place amortization dissipation space on mounting panel surface of openly.
2. The lightweight, high-strength sound barrier cement panel for expressway according to claim 1, further comprising:
inhale the sound material layer, inhale the sound material layer set up in inhale in the sound cavity, just, inhale the sound material layer and be located light weight, high strength cement board with between the back mounting panel.
3. The lightweight, high-strength, sound-barrier cement panel for highways according to claim 1, characterized in that:
and the outer surface of the silencing shell is provided with a sound absorption coating layer.
4. The lightweight, high-strength, sound-barrier cement panel for highways according to claim 1, characterized in that:
the silencing cavities of the silencing shells are all spherical silencing cavities, so that the silencing effect of the silencing cavities is enhanced.
5. The lightweight, high-strength, sound-barrier cement panel for highways according to claim 4, wherein:
the caliber of the silencing inlet is smaller than the diameter of the silencing cavity.
6. The lightweight, high-strength, sound-barrier cement panel for highways according to claim 1, characterized in that:
each the surface of amortization casing all is spherical, adjacent two be formed with the distance between the amortization casing, it is a plurality of amortization dissipation space that forms between the amortization casing by the amortization casing deviates from one side of front mounting panel is towards being close to the direction of one side of front mounting panel diminishes then grow gradually earlier.
7. The lightweight, high-strength, sound-barrier cement panel for highways according to claim 6, wherein:
each amortization casing all has a connector, each the amortization casing all through the connector with the front mounting panel is connected, just, each the amortization casing with all be formed with the distance between the front mounting panel.
8. The lightweight, high-strength, sound-barrier cement panel for highways according to claim 1, characterized in that:
the inner wall of the silencing cavity is provided with a silencing material layer;
preferably, the surface of the sound attenuation material layer, which is far away from the sound attenuation shell, is provided with a synergistic laminated board layer, and the synergistic laminated board layer is provided with a plurality of through holes penetrating through the synergistic laminated board layer.
9. The lightweight, high-strength sound barrier cement panel for expressway according to claim 1, further comprising:
the silencing cavity of each silencing shell is filled with the silencing liquid; and
a noise-reduction energy-conversion floating body which can float on the noise-reduction liquid in a free movement manner.
10. The lightweight, high-strength, sound-barrier cement panel for expressway according to claim 1, wherein said noise-damping, energy-converting floating body comprises:
a buoyant raft body that floats freely movably on the sound-deadening liquid; and
inhale the sound sail body, inhale the sound sail body set up in float on the raft body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010961818.5A CN112049035B (en) | 2020-09-14 | 2020-09-14 | Light high-strength sound barrier cement board for expressway |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010961818.5A CN112049035B (en) | 2020-09-14 | 2020-09-14 | Light high-strength sound barrier cement board for expressway |
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| CN112049035B CN112049035B (en) | 2021-12-21 |
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Cited By (1)
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| CN117604937A (en) * | 2024-01-18 | 2024-02-27 | 衡水中裕铁信环保工程有限公司 | Environment-friendly sound barrier structure convenient to assemble and replace |
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| CN112049035B (en) | 2021-12-21 |
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